To provide the two-way broadcast system in which personal information such as an episode relating to a music and a message or the like to viewers is entered by the user when the user sends a request music together with a music number of the music and the entered information is broadcast as a teletext image simultaneously when the request music is played.

A request receiver 30 receives a numeral data stream entered by the user and a character converter 42 applies numeral character conversion to the stream. A karaoke swing along controller 40 retrieves a request music and a message synthesizer 44 synthesizes received teletext messages. A voice output and an audio output generated by an audio output device 50 and a video output device 60 are sent from a karaoke swing along output device 70.